Schimmel was a passenger Thursday in a car driven by his 19-year-old daughter Aliyah. Bragman says Aliyah Schimmel swerved to avoid another car and the vehicle she was driving rolled to the side of the freeway. Bragman says she is hospitalized in stable condition.

Robert Schimmel lived in Scottsdale. The 60-year-old comedian has been a frequent guest on "Late Night with Conan O'Brien" and on Howard Stern's radio show. His 2008 memoir, "Cancer on $5 a Day," chronicles his battle with non-Hodgkin's lymphoma.